20065140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5867}}^1$

素因数の和:5901

約数の個数: 72

約数和(自身を含む): 64078560

約数和(自身を除く): 44013420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5867, 11734, 17601, 23468, 29335, 35202, 52803, 58670, 70404, 88005, 105606, 111473, 117340, 176010, 211212, 222946, 264015, 334419, 352020, 445892, 528030, 557365, 668838, 1003257, 1056060, 1114730, 1337676, 1672095, 2006514, 2229460, 3344190, 4013028, 5016285, 6688380, 10032570, 20065140]

約数ペア:

[(1, 20065140), (2, 10032570), (3, 6688380), (4, 5016285), (5, 4013028), (6, 3344190), (9, 2229460), (10, 2006514), (12, 1672095), (15, 1337676), (18, 1114730), (19, 1056060), (20, 1003257), (30, 668838), (36, 557365), (38, 528030), (45, 445892), (57, 352020), (60, 334419), (76, 264015), (90, 222946), (95, 211212), (114, 176010), (171, 117340), (180, 111473), (190, 105606), (228, 88005), (285, 70404), (342, 58670), (380, 52803), (570, 35202), (684, 29335), (855, 23468), (1140, 17601), (1710, 11734), (3420, 5867)]